CVE-2025-3446
MEDIUMMattermost 9.11.0-9.11.11 10.4.0-10.4.4 10.5.0-10.5.2 10.6.0-10.6.1 - Incorrect Authorization via Team Invite API
Title source: llmDescription
Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to check the correct permissions which allows authenticated users who only have permission to invite non-guest users to a team to add guest users to that team via the API to add a single user to a team.
References (1)
Core 1
Core References
Vendor Advisory
https://mattermost.com/security-updates
Scores
CVSS v3
4.3
EPSS
0.0019
EPSS Percentile
40.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-863
Status
published
Products (2)
mattermost/mattermost
10.6.0 - 10.6.2Go
mattermost/mattermost_server
9.11.0 - 9.11.12
Published
May 15, 2025
Tracked Since
Feb 18, 2026